Note 16 - Income Taxes - Significant Components of Deferred Tax Assets (Details) - USD ($) $ in Thousands	May 31, 2017	Aug. 31, 2016
Receivable reserve	$ 619	$ 531
Deferred rent	1,184	1,022
Other	820	1,605
Net current deferred tax assets	2,623	3,158
Depreciation on property, equipment and leasehold improvements	3,335	5,194
Deferred rent	10,539	9,626
Stock-based compensation	18,154	19,927
Purchased intangible assets, including acquired technology	(31,495)	(24,645)
Other	4,566	3,304
Net non-current deferred tax assets	5,099	13,406
Total deferred tax assets	7,722	16,564
Current
Other	1,781	291
Net current deferred tax liabilities	1,781	291
Non-current
Stock-based compensation	(944)
Depreciation on property, equipment and leasehold improvements	(441)
Purchased intangible assets, including acquired technology	25,928	1,666
Other	(1,504)	42
Net non-current deferred tax liabilities	23,039	1,708
Total deferred tax liabilities	$ 24,820	$ 1,999